From 6647e99ec83e2a934346bb4ca58e93a2e216a831 Mon Sep 17 00:00:00 2001
From: Necoro <>
Date: Sun, 20 Jan 2008 01:55:36 +0000
Subject:  r680@Devoty:  necoro | 2008-01-20 02:53:30 +0100  Fixed flag
 handling

---
 portato/backend/package.py | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

(limited to 'portato/backend/package.py')

diff --git a/portato/backend/package.py b/portato/backend/package.py
index 4f90765..16cee0e 100644
--- a/portato/backend/package.py
+++ b/portato/backend/package.py
@@ -12,6 +12,7 @@
 
 from __future__ import absolute_import
 
+from ..helper import debug
 from . import _Package, system, flags
 
 class Package (_Package):
@@ -96,15 +97,22 @@ class Package (_Package):
 		@rtype: string[]"""
 
 		i_flags = self.get_global_settings("USE", installed = False).split()
+		m_flags = system.get_global_settings("USE").split()
 		for f in self.get_new_use_flags():
+			removed = False
+
+			if f[0] == "~":
+				f = f[1:]
+				removed = True
 			
 			if f[0] == '-':
-				if flags.invert_use_flag(f) in i_flags:
+				if flags.invert_use_flag(f) in i_flags and not (removed and flags.invert_use_flag(f) in m_flags):
 					i_flags.remove(flags.invert_use_flag(f))
-			
+				
 			elif f not in i_flags:
-				i_flags.append(f)
-		
+				if not (removed and flags.invert_use_flag(f) in m_flags):
+					i_flags.append(f)
+
 		return i_flags
 
 	def set_use_flag (self, flag):
@@ -130,7 +138,7 @@ class Package (_Package):
 		@returns: USE_EXPAND-value on success
 		@rtype: string or None"""
 
-		if not suggest is None:
+		if suggest is not None:
 			if flag.startswith(suggest.lower()):
 				return suggest
 
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